class type 'a persistent = object ... endval with_persistence :
'a persistent ->
('impl -> 'a Capability.t) ->
{Untyped}1.generic_service as 'impl ->
'a Capability.twith_persistence persist Service.Foo.local obj is like Service.Foo.local obj, but the resulting service also handles the Cap'n Proto persistence protocol, using persist.
val with_sturdy_ref :
'a Sturdy_ref.t ->
('impl -> 'a Capability.t) ->
{Untyped}1.generic_service as 'impl ->
'a Capability.twith_sturdy_ref sr Service.Foo.local obj is like Service.Foo.local obj, but responds to save calls by returning sr.
val save : 'a Capability.t -> (Uri.t, Capnp_rpc.Error.t) result Lwt.tsave cap calls the persistent save method on cap. Note that not all capabilities can be saved. todo: this should return an 'a Sturdy_ref.t; see Sturdy_ref.reader.
val save_exn : 'a Capability.t -> Uri.t Lwt.tsave_exn is a wrapper for save that returns a failed thread on error.